Ventilator

Details Ventilator Ventilator

1994-02-09

1996-09-24

Joyce, Harold

Ventilation

Means combined with window

Having air passage at window top

494891, 454274, E06B 702

Patent

active

055585744

ABSTRACT:
A slot ventilator has first and second base portions which in use are secured to a facia, for example a window frame, one at each end of an elongate opening therein. An elongate body portion is secured to the base portions by respective first and second pivoting parallel motion links. The body has a handle whereby it may be moved between an open position, and a closed position in which the aperture is sealed by sealing flanges which extend out below the body.

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patent: 1406841 (1922-02-01), Foss
patent: 1436649 (1922-11-01), Clark
patent: 1947282 (1934-02-01), Theis
patent: 2151231 (1939-03-01), Randall et al.
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patent: 3343475 (1967-09-01), Costley
patent: 4510715 (1985-04-01), Giguere
patent: 4702157 (1987-10-01), Comparon
patent: 4727797 (1988-03-01), Smith
patent: 4736677 (1988-04-01), Smith
patent: 5244434 (1993-09-01), Stoney et al.
patent: 5248542 (1993-09-01), Hinzpeter et al.

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